Two Neolignans Isolated from Hydnocarpus Annamensis Studied by NMR Spectroscopy

Chinese Journal of Magnetic Resonance ›› 2007, Vol. 24 ›› Issue (1): 77-83.

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Two Neolignans Isolated from Hydnocarpus Annamensis Studied by NMR Spectroscopy

SHI Hai-ming^1,2; LIU Yi³; JIANG Yong^1,2; SUN Zhe³; TU Peng-fei^1,2*; LING Xiao-mei³

（1.Department of Natural Medicines, School of Pharmaceutical Sciences,
Peking University Health Science Center, Beijing 100083, China; 2. Modern Research Center for Traditional Chinese Medicine, Peking University Health Science Center, Beijing 100083, China; 3. Department of Pharmaceutical Analysis, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing 100083, China)

Received:2006-05-26 Revised:2006-07-17 Published:2007-03-05 Online:2009-12-05
Contact: Tu Peng-fei

Abstract

Abstract: Two neolignans were isolated from the bark of Hydnocarpus annamensis. Their structures were elucidated using high-resolution ESI mass spectrometry and NMR spectroscopy. The proton and carbon chemical shifts of the two compounds was assigned using 2D NMR experiments, including HSQC, HMBC, DQF-COSY and NOESY. The results of capillary electrophoresis (CE) analysis demonstrated that the two compounds are racemates.

Key words: NMR, complete assignment, 2D NMR, neolignans, Hydnocarpus annamensis, capillary electrophoresis

CLC Number:

O641

SHI Hai-ming^1,2; LIU Yi³; JIANG Yong^1,2; SUN Zhe³; TU Peng-fei^1,2*; LING Xiao-mei³. Two Neolignans Isolated from Hydnocarpus Annamensis Studied by NMR Spectroscopy[J]. Chinese Journal of Magnetic Resonance, 2007, 24(1): 77-83.

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Two Neolignans Isolated from Hydnocarpus Annamensis Studied by NMR Spectroscopy

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